[go: up one dir, main page]

Search a number
-
+
220422330 = 23352928151
BaseRepresentation
bin11010010001101…
…10000010111010
3120100202121121000
431020312002322
5422412003310
633512225430
75314362462
oct1510660272
9510677530
10220422330
11103471617
126199b276
1336887a1b
14213baba2
15145404c0
hexd2360ba

220422330 has 64 divisors (see below), whose sum is σ = 608083200. Its totient is φ = 56750400.

The previous prime is 220422313. The next prime is 220422331. The reversal of 220422330 is 33224022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (220422331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6246 + ... + 21905.

It is an arithmetic number, because the mean of its divisors is an integer number (9501300).

Almost surely, 2220422330 is an apocalyptic number.

220422330 is an abundant number, since it is smaller than the sum of its proper divisors (387660870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220422330 is a wasteful number, since it uses less digits than its factorization.

220422330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28196 (or 28190 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 220422330 is about 14846.6268896339. The cubic root of 220422330 is about 604.0671186176.

Adding to 220422330 its reverse (33224022), we get a palindrome (253646352).

The spelling of 220422330 in words is "two hundred twenty million, four hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 29 30 45 54 58 87 90 135 145 174 261 270 290 435 522 783 870 1305 1566 2610 3915 7830 28151 56302 84453 140755 168906 253359 281510 422265 506718 760077 816379 844530 1266795 1520154 1632758 2449137 2533590 3800385 4081895 4898274 7347411 7600770 8163790 12245685 14694822 22042233 24491370 36737055 44084466 73474110 110211165 220422330